Date: Mon, 13 Jul 2009 20:47:37 -0400 From: Glen Barber <glen.j.barber@gmail.com> To: d@delphij.net Cc: freebsd-net@freebsd.org Subject: Re: [LOR] carp vs bridge Message-ID: <4ad871310907131747g6798c0b9j96a8ce5540f42289@mail.gmail.com> In-Reply-To: <4A5BD40E.9080108@delphij.net> References: <4A5BD40E.9080108@delphij.net>
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On Mon, Jul 13, 2009 at 8:40 PM, Xin LI<delphij@delphij.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > This LOR is observed in an environment with both CARP and bridge set up. > =A0Is this an known one? > > lock order reversal: > > =A01st 0xffffff00033253e0 carp_if (carp_if) @ > /usr/src/sys/netinet/ip_carp.c:1326 > =A02nd 0xffffff00031d1218 if_bridge (if_bridge) @ > /usr/src/sys/net/if_bridge.c:1850 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > _witness_debugger() at _witness_debugger+0x2e > witness_checkorder() at witness_checkorder+0x81e > _mtx_lock_flags() at _mtx_lock_flags+0x78 > bridge_output() at bridge_output+0x67 > ether_output() at ether_output+0x3d7 > ip_output() at ip_output+0xd12 > carp_send_ad_locked() at carp_send_ad_locked+0x54b > carp_master_down_locked() at carp_master_down_locked+0x79 > carp_master_down() at carp_master_down+0x33 > softclock() at softclock+0x291 > intr_event_execute_handlers() at intr_event_execute_handlers+0x68 > ithread_loop() at ithread_loop+0xb2 > fork_exit() at fork_exit+0x12a > fork_trampoline() at fork_trampoline+0xe > - --- trap 0, rip =3D 0, rsp =3D 0xffffff8000042d30, rbp =3D 0 --- > I didn't see that particular LOR listed with the others: http://sources.zabbadoz.net/freebsd/lor.html Regards, --=20 Glen Barber
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